Dog gone smart longer beds are generously filled with hypoallergenic soft hollow-core slick fiber fill. This high-quality fill allows dogs to nest which they love to do, but bounces back to high loft when they leave! Their unique silicon-coated polyfill eliminates any lumping or unevenness to the bed. Wow, now that's something to bark about!*The inside pillow fill and pillow liner should not be washed, but can be shaken out and aired to maintain cleanliness.- Made with 100% cotton canvas fabric-extremely durable/heavy-weight canvas stands up to the wear and tear of the average dog- Soft inner pillow for added comfort-dogs just love to curl up and snuggle in these cozy lounger beds!- Features our groundbreaking Repelz-It Nanoprotection to resist most doggie messes-dirt, stains, bacteria and pet odors don't stand a chance!- Machine washable-simply remove inside pillow/fill insert before washing- Zipper pull/opening located on the underside of the bed- No more chewing at the sipper!